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Linux/fs/jffs2/os-linux.h

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Diff markup

Differences between /fs/jffs2/os-linux.h (Version linux-4.6.7) and /fs/jffs2/os-linux.h (Version linux-5.4.124)


** Warning: Cannot open xref database.

  1 /*                                                  1 
  2  * JFFS2 -- Journalling Flash File System, Ver    
  3  *                                                
  4  * Copyright © 2001-2007 Red Hat, Inc.           
  5  *                                                
  6  * Created by David Woodhouse <dwmw2@infradead    
  7  *                                                
  8  * For licensing information, see the file 'LI    
  9  *                                                
 10  */                                               
 11                                                   
 12 #ifndef __JFFS2_OS_LINUX_H__                      
 13 #define __JFFS2_OS_LINUX_H__                      
 14                                                   
 15 /* JFFS2 uses Linux mode bits natively -- no n    
 16 #define os_to_jffs2_mode(x) (x)                   
 17 #define jffs2_to_os_mode(x) (x)                   
 18                                                   
 19 struct kstatfs;                                   
 20 struct kvec;                                      
 21                                                   
 22 #define JFFS2_INODE_INFO(i) (container_of(i, s    
 23 #define OFNI_EDONI_2SFFJ(f)  (&(f)->vfs_inode)    
 24 #define JFFS2_SB_INFO(sb) (sb->s_fs_info)         
 25 #define OFNI_BS_2SFFJ(c)  ((struct super_block    
 26                                                   
 27                                                   
 28 #define JFFS2_F_I_SIZE(f) (OFNI_EDONI_2SFFJ(f)    
 29 #define JFFS2_F_I_MODE(f) (OFNI_EDONI_2SFFJ(f)    
 30 #define JFFS2_F_I_UID(f) (i_uid_read(OFNI_EDON    
 31 #define JFFS2_F_I_GID(f) (i_gid_read(OFNI_EDON    
 32 #define JFFS2_F_I_RDEV(f) (OFNI_EDONI_2SFFJ(f)    
 33                                                   
 34 #define ITIME(sec) ((struct timespec){sec, 0})    
 35 #define I_SEC(tv) ((tv).tv_sec)                   
 36 #define JFFS2_F_I_CTIME(f) (OFNI_EDONI_2SFFJ(f    
 37 #define JFFS2_F_I_MTIME(f) (OFNI_EDONI_2SFFJ(f    
 38 #define JFFS2_F_I_ATIME(f) (OFNI_EDONI_2SFFJ(f    
 39                                                   
 40 #define sleep_on_spinunlock(wq, s)                
 41         do {                                      
 42                 DECLARE_WAITQUEUE(__wait, curr    
 43                 add_wait_queue((wq), &__wait);    
 44                 set_current_state(TASK_UNINTER    
 45                 spin_unlock(s);                   
 46                 schedule();                       
 47                 remove_wait_queue((wq), &__wai    
 48         } while(0)                                
 49                                                   
 50 static inline void jffs2_init_inode_info(struc    
 51 {                                                 
 52         f->highest_version = 0;                   
 53         f->fragtree = RB_ROOT;                    
 54         f->metadata = NULL;                       
 55         f->dents = NULL;                          
 56         f->target = NULL;                         
 57         f->flags = 0;                             
 58         f->usercompr = 0;                         
 59 }                                                 
 60                                                   
 61                                                   
 62 #define jffs2_is_readonly(c) (OFNI_BS_2SFFJ(c)    
 63                                                   
 64 #define SECTOR_ADDR(x) ( (((unsigned long)(x)     
 65 #ifndef CONFIG_JFFS2_FS_WRITEBUFFER               
 66                                                   
 67                                                   
 68 #ifdef CONFIG_JFFS2_SUMMARY                       
 69 #define jffs2_can_mark_obsolete(c) (0)            
 70 #else                                             
 71 #define jffs2_can_mark_obsolete(c) (1)            
 72 #endif                                            
 73                                                   
 74 #define jffs2_is_writebuffered(c) (0)             
 75 #define jffs2_cleanmarker_oob(c) (0)              
 76 #define jffs2_write_nand_cleanmarker(c,jeb) (-    
 77                                                   
 78 #define jffs2_flash_write(c, ofs, len, retlen,    
 79 #define jffs2_flash_read(c, ofs, len, retlen,     
 80 #define jffs2_flush_wbuf_pad(c) ({ do{} while(    
 81 #define jffs2_flush_wbuf_gc(c, i) ({ do{} whil    
 82 #define jffs2_write_nand_badblock(c,jeb,bad_of    
 83 #define jffs2_nand_flash_setup(c) (0)             
 84 #define jffs2_nand_flash_cleanup(c) do {} whil    
 85 #define jffs2_wbuf_dirty(c) (0)                   
 86 #define jffs2_flash_writev(a,b,c,d,e,f) jffs2_    
 87 #define jffs2_wbuf_timeout NULL                   
 88 #define jffs2_wbuf_process NULL                   
 89 #define jffs2_dataflash(c) (0)                    
 90 #define jffs2_dataflash_setup(c) (0)              
 91 #define jffs2_dataflash_cleanup(c) do {} while    
 92 #define jffs2_nor_wbuf_flash(c) (0)               
 93 #define jffs2_nor_wbuf_flash_setup(c) (0)         
 94 #define jffs2_nor_wbuf_flash_cleanup(c) do {}     
 95 #define jffs2_ubivol(c) (0)                       
 96 #define jffs2_ubivol_setup(c) (0)                 
 97 #define jffs2_ubivol_cleanup(c) do {} while (0    
 98 #define jffs2_dirty_trigger(c) do {} while (0)    
 99                                                   
100 #else /* NAND and/or ECC'd NOR support present    
101                                                   
102 #define jffs2_is_writebuffered(c) (c->wbuf !=     
103                                                   
104 #ifdef CONFIG_JFFS2_SUMMARY                       
105 #define jffs2_can_mark_obsolete(c) (0)            
106 #else                                             
107 #define jffs2_can_mark_obsolete(c) (c->mtd->fl    
108 #endif                                            
109                                                   
110 #define jffs2_cleanmarker_oob(c) (c->mtd->type    
111                                                   
112 #define jffs2_wbuf_dirty(c) (!!(c)->wbuf_len)     
113                                                   
114 /* wbuf.c */                                      
115 int jffs2_flash_writev(struct jffs2_sb_info *c    
116 int jffs2_flash_write(struct jffs2_sb_info *c,    
117 int jffs2_flash_read(struct jffs2_sb_info *c,     
118 int jffs2_check_oob_empty(struct jffs2_sb_info    
119 int jffs2_check_nand_cleanmarker(struct jffs2_    
120 int jffs2_write_nand_cleanmarker(struct jffs2_    
121 int jffs2_write_nand_badblock(struct jffs2_sb_    
122 void jffs2_wbuf_timeout(unsigned long data);      
123 void jffs2_wbuf_process(void *data);              
124 int jffs2_flush_wbuf_gc(struct jffs2_sb_info *    
125 int jffs2_flush_wbuf_pad(struct jffs2_sb_info     
126 int jffs2_nand_flash_setup(struct jffs2_sb_inf    
127 void jffs2_nand_flash_cleanup(struct jffs2_sb_    
128                                                   
129 #define jffs2_dataflash(c) (c->mtd->type == MT    
130 int jffs2_dataflash_setup(struct jffs2_sb_info    
131 void jffs2_dataflash_cleanup(struct jffs2_sb_i    
132 #define jffs2_ubivol(c) (c->mtd->type == MTD_U    
133 int jffs2_ubivol_setup(struct jffs2_sb_info *c    
134 void jffs2_ubivol_cleanup(struct jffs2_sb_info    
135                                                   
136 #define jffs2_nor_wbuf_flash(c) (c->mtd->type     
137 int jffs2_nor_wbuf_flash_setup(struct jffs2_sb    
138 void jffs2_nor_wbuf_flash_cleanup(struct jffs2    
139 void jffs2_dirty_trigger(struct jffs2_sb_info     
140                                                   
141 #endif /* WRITEBUFFER */                          
142                                                   
143 /* background.c */                                
144 int jffs2_start_garbage_collect_thread(struct     
145 void jffs2_stop_garbage_collect_thread(struct     
146 void jffs2_garbage_collect_trigger(struct jffs    
147                                                   
148 /* dir.c */                                       
149 extern const struct file_operations jffs2_dir_    
150 extern const struct inode_operations jffs2_dir    
151                                                   
152 /* file.c */                                      
153 extern const struct file_operations jffs2_file    
154 extern const struct inode_operations jffs2_fil    
155 extern const struct address_space_operations j    
156 int jffs2_fsync(struct file *, loff_t, loff_t,    
157 int jffs2_do_readpage_unlock (struct inode *in    
158                                                   
159 /* ioctl.c */                                     
160 long jffs2_ioctl(struct file *, unsigned int,     
161                                                   
162 /* symlink.c */                                   
163 extern const struct inode_operations jffs2_sym    
164                                                   
165 /* fs.c */                                        
166 int jffs2_setattr (struct dentry *, struct iat    
167 int jffs2_do_setattr (struct inode *, struct i    
168 struct inode *jffs2_iget(struct super_block *,    
169 void jffs2_evict_inode (struct inode *);          
170 void jffs2_dirty_inode(struct inode *inode, in    
171 struct inode *jffs2_new_inode (struct inode *d    
172                                struct jffs2_ra    
173 int jffs2_statfs (struct dentry *, struct ksta    
174 int jffs2_do_remount_fs(struct super_block *,     
175 int jffs2_do_fill_super(struct super_block *sb    
176 void jffs2_gc_release_inode(struct jffs2_sb_in    
177                             struct jffs2_inode    
178 struct jffs2_inode_info *jffs2_gc_fetch_inode(    
179                                                   
180                                                   
181 unsigned char *jffs2_gc_fetch_page(struct jffs    
182                                    struct jffs    
183                                    unsigned lo    
184                                    unsigned lo    
185 void jffs2_gc_release_page(struct jffs2_sb_inf    
186                            unsigned char *pg,     
187                            unsigned long *priv    
188 void jffs2_flash_cleanup(struct jffs2_sb_info     
189                                                   
190                                                   
191 /* writev.c */                                    
192 int jffs2_flash_direct_writev(struct jffs2_sb_    
193                        unsigned long count, lo    
194 int jffs2_flash_direct_write(struct jffs2_sb_i    
195                         size_t *retlen, const     
196                                                   
197 #endif /* __JFFS2_OS_LINUX_H__ */                 
198                                                   
199                                                   
200                                                   

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